Multnomah County is located in the state of Oregon, primarily encompassing the city of Portland. It is the most populous county in Oregon, known for its diverse communities, vibrant culture, and beautiful natural landscapes, including the scenic Columbia River Gorge. The county is home to various parks, recreational areas, and cultural institutions, such as the Oregon Museum of Science and Industry (OMSI) and the Portland Art Museum. Multnomah County also plays a significant role in regional governance and public services, including education, health, and transportation.